/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package servlets;

import businessDelegate.BusinessDelegate;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.naming.NamingException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author williamprado
 */
public class SessionServlet extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {

     HttpSession currentSession = request.getSession();
     String action = request.getParameter("action");
     if(action==null){
         currentSession.invalidate();
         response.sendRedirect("index.jsp");
     }
     if(action.equals("login")){

        String passwd = request.getParameter("passwd");
        String login = request.getParameter("login");
        String role = request.getParameter("role");
        System.out.println("frontco "+login+" "+passwd+" "+role);

        if(role.equals("admin")){
            BusinessDelegate busd = new BusinessDelegate();
            boolean result = false;
                try {
                    result = busd.adminLogin(login, passwd);
                } catch (NamingException ex) {
                    Logger.getLogger(SessionServlet.class.getName()).log(Level.SEVERE, null, ex);
                }
            if(result == false){
                request.setAttribute("message", "Lo siento, el login o contraseña son incorrectos");
                request.getRequestDispatcher("index.jsp").forward(request, response);
            }else{
                HttpSession sesionOK = request.getSession();
                sesionOK.setAttribute("username", request.getParameter("login"));
                sesionOK.setAttribute("role", "admin");
                response.sendRedirect("admin/index.jsp");
            }
        }
        if(role.equals("client")){
            BusinessDelegate busd = new BusinessDelegate();
            boolean result = false;
                try {
                    result = busd.userLogin(login, passwd);
                } catch (NamingException ex) {
                    Logger.getLogger(SessionServlet.class.getName()).log(Level.SEVERE, null, ex);
                } catch (Exception ex) {
                    Logger.getLogger(SessionServlet.class.getName()).log(Level.SEVERE, null, ex);
                }
            if(result == false){
                request.setAttribute("message", "Lo siento, el login o contraseña son incorrectos");
                request.getRequestDispatcher("index.jsp").forward(request, response);
            }else{
                HttpSession sesionOK = request.getSession();                
                sesionOK.setAttribute("username", request.getParameter("login"));
                sesionOK.setAttribute("role", "client");
                response.sendRedirect("client/index.jsp");
            }
        }

     }
     if(action.equals("signout")){
         currentSession.invalidate();
         response.sendRedirect("index.jsp");
     }




        //response.setContentType("text/html;charset=UTF-8");
        //PrintWriter out = response.getWriter();
        //try {
            /* TODO output your page here
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet SessionServlet</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet SessionServlet at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
            */
        /*} finally {
            out.close();
        }*/
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
